Allow undated reconstructed events

server/api.integration.test.ts

@@ -140,6 +140,21 @@ suite('level persistence API', () => {
       metadata: { witness: 'Integration test', confidence: 'high' },
     })
 
+    const undatedState = structuredClone(afterMetadataSave)
+    const undatedEvent = undatedState.evidence.find(exhibit => exhibit.id === eventId)!
+    delete undatedEvent.eventDate
+    const undatedSave = await fetch(`${baseUrl}/api/levels/${state.id}?edit=1`, {
+      method: 'PUT', headers: { 'content-type': 'application/json' }, body: JSON.stringify(undatedState),
+    })
+    expect(undatedSave.ok).toBe(true)
+    const loadedUndated = await (await fetch(`${baseUrl}/api/levels/${state.id}?edit=1`)).json() as CaseState
+    expect(loadedUndated.evidence.find(exhibit => exhibit.id === eventId)?.eventDate).toBeUndefined()
+    expect((await appPool.query<{ occurred_at: Date | null }>('SELECT occurred_at FROM osint.event_exhibits WHERE exhibit_id=$1', [eventId])).rows[0].occurred_at).toBeNull()
+    loadedUndated.evidence.find(exhibit => exhibit.id === eventId)!.eventDate = '2021-04-18T14:30:00Z'
+    expect((await fetch(`${baseUrl}/api/levels/${state.id}?edit=1`, {
+      method: 'PUT', headers: { 'content-type': 'application/json' }, body: JSON.stringify(loadedUndated),
+    })).ok).toBe(true)
+
     const playerState = await (await fetch(`${baseUrl}/api/levels/${state.id}`)).json() as CaseState
     expect(playerState.brief.concepts.every(concept => concept.expectedPartyKind === undefined)).toBe(true)
     const personPartyId = randomUUID()